AS23780 CTB Media Inc. 🇯🇵 JP
Announcing 6 prefixes, seen at the RIS collectors.
IPv4 prefixes
5
16,384 (64 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
3
transit providers observed
Peers
5
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS23780
- Name
- CTB Media Inc.
- Organisation
- CTB Media Inc.
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 2003-06-16
- Network type
- Cable/DSL/ISP
- Traffic levels
- 10-20Gbps
- Scope
- Asia Pacific
- Peering policy
- Open
- IRR as-set
- AS-23780
- Website
- https://www.ctb.jp
- PeeringDB
- net/1873
- Exchanges
- 10
- Facilities
- 2
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
6 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 49.128.24.0/21 v4 | RPKI valid | 42 | 1763923780 | 2026-09-18 |
| 49.128.96.0/22 v4 | RPKI valid | 41 | 1763923780 | 2026-09-18 |
| 203.201.52.0/22 v4 | RPKI valid | 41 | 1763923780 | 2026-09-18 |
| 211.15.112.0/20 v4 | RPKI valid | 42 | 1763923780 | 2026-09-18 |
| 211.19.224.0/19 v4 | RPKI valid | 42 | 1763923780 | 2026-09-18 |
| 2402:6c80::/32 v6 | no ROA | 36 | 1763923780 | 2026-09-18 |